#include <cstdio>
#include <iostream>
using namespace std;
/*
	cout.cpp:11:2: error: ‘cout’ was not declared in this scope
	cout<<a;
*/
int main()
{
	int a=48;
	float b=56.9;
	char c='u';
	printf("%d  %f  %c\n",a,b,c);
	
	//C++打印
	cout<<a<<"\n";
	cout<<"变量a在内存中的地址:   "<<&a<<endl;
	cout<<b<<"\n";
	cout<<c<<"\n";
	
	cout<<a<<endl<<b<<endl<<c<<endl;
}